ISO 4689:1986Withdrawn

Iron ores — Determination of sulfur content — Barium sulfate gravimetric method

Minerais de fer — Dosage du soufre — Méthode gravimétrique au sulfate de baryum

This edition has been replaced by ISO/TS 4689-1:2023.

Abstract / scope

The method is applicable to a concentration range of 0,01 bis 1,0 % (m/m) of sulfur in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test report.ISO 4689 includes three annexes.

Life cycle

Replaced by

ISO/TS 4689-1:2023PublishedIron ores — Determination of sulfur content — Part 1: Barium sulfate gravimetric methodTechnical Specification · Published 14 Mar 2023 · ISO/TC 102/SC 2